Home / 154,439.40-231,659.10-54,598.80

Finding the Fourth Proportional to 154,439.40, 231,659.10 and 54,598.80

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Solution

The fourth proportional to 154,439.40, 231,659.10 and 54,598.80 is: 81,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.40 : 231,659.10 = 54,598.80 : x
  2. Step 2: Convert to fraction form
    154,439.40/231,659.10 = 54,598.80/x
  3. Step 3: Cross multiply
    154,439.40x = 231,659.10 × 54,598.80
  4. Step 4: Simplify right side
    154,439.40x = 12,648,308,869.08
  5. Step 5: Solve for x
    x = 12,648,308,869.08/154,439.40
  6. Step 6: Final answer
    x = 81,898.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.